Polar Loop 2 vs. Amazfit Stratos vs. Fitbit Flex vs. Pebble Core vs. Michael Kors Access Runway

 
Loop 2
Stratos
Flex
Core
Access Runway
 PolarLoop 2Remove Buy NowAmazfitStratosRemove Buy NowFitbitFlexRemove Buy NowPebbleCoreRemove Buy NowMichael KorsAccess RunwayRemove Buy Now

Basic Info

Suggested Price$120$199$100$99$350
Release20152018201320162018

Activity & Fitness

Calories
Cycling (Bicycling)NA
Distance
Heartn/a
Oxygen
SleepNA
Steps
Swim

Battery

Duration8 days (without notifications)5 days5 daysNA1 day
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/aNANA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 300NANA390 x 390
Sizen/a1.34 inchesNANA1.19 inches
TouchNANA
TypeLEDOLEDLEDNAAMOLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATM5 ATM1 ATMNA3 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/aProprietaryNANAWear OS
Apps
Music

All Wearables